diff --git a/ggml-cuda.cu b/ggml-cuda.cu
index 66bb86a33da1b0..259d2ed41e7368 100644
--- a/ggml-cuda.cu
+++ b/ggml-cuda.cu
@@ -7791,10 +7791,6 @@ struct cuda_pool_alloc {
 
 static bool g_cublas_loaded = false;
 
-static bool ggml_cublas_loaded(void) {
-    return g_cublas_loaded;
-}
-
 static void ggml_init_cublas() {
     static bool initialized = false;
 
diff --git a/ggml-kompute.cpp b/ggml-kompute.cpp
index 4caf2c9e78b028..81dd5067864ce7 100644
--- a/ggml-kompute.cpp
+++ b/ggml-kompute.cpp
@@ -1951,6 +1951,7 @@ static struct ggml_backend_i kompute_backend_i = {
     /* .graph_plan_compute      = */ NULL,
     /* .graph_compute           = */ ggml_backend_kompute_graph_compute,
     /* .supports_op             = */ ggml_backend_kompute_supports_op,
+    /* .offload_op              = */ NULL,
     /* .event_new               = */ NULL,
     /* .event_free              = */ NULL,
     /* .event_record            = */ NULL,
diff --git a/ggml-metal.m b/ggml-metal.m
index c3451a79b103f0..109e5fe6ba13dd 100644
--- a/ggml-metal.m
+++ b/ggml-metal.m
@@ -2837,6 +2837,7 @@ GGML_CALL static bool ggml_backend_metal_supports_op(ggml_backend_t backend, con
     /* .graph_plan_compute      = */ NULL,
     /* .graph_compute           = */ ggml_backend_metal_graph_compute,
     /* .supports_op             = */ ggml_backend_metal_supports_op,
+    /* .offload_op              = */ NULL,
     /* .event_new               = */ NULL,
     /* .event_free              = */ NULL,
     /* .event_record            = */ NULL,
diff --git a/ggml-sycl.cpp b/ggml-sycl.cpp
index 6dc5eb20c5a63a..d51f23b410595e 100644
--- a/ggml-sycl.cpp
+++ b/ggml-sycl.cpp
@@ -17390,6 +17390,7 @@ static ggml_backend_i ggml_backend_sycl_interface = {
     /* .graph_plan_compute      = */ NULL,
     /* .graph_compute           = */ ggml_backend_sycl_graph_compute,
     /* .supports_op             = */ ggml_backend_sycl_supports_op,
+    /* .offload_op              = */ NULL,
     /* .event_new               = */ NULL,
     /* .event_free              = */ NULL,
     /* .event_record            = */ NULL,
diff --git a/ggml-vulkan.cpp b/ggml-vulkan.cpp
index 7cce616ba714fd..2ecb6b09f936a2 100644
--- a/ggml-vulkan.cpp
+++ b/ggml-vulkan.cpp
@@ -5693,6 +5693,7 @@ static ggml_backend_i ggml_backend_vk_interface = {
     /* .graph_plan_compute      = */ NULL,
     /* .graph_compute           = */ ggml_backend_vk_graph_compute,
     /* .supports_op             = */ ggml_backend_vk_supports_op,
+    /* .offload_op              = */ NULL,
     /* .event_new               = */ NULL,
     /* .event_free              = */ NULL,
     /* .event_record            = */ NULL,